public class OrderTest {
    public static void main(String[] args) {
        Order t1 = new Order(1001,"mike");
        Order t2 = new Order(1001,"mike");
        Order t3 = new Order(1004,"mike");
        System.out.println(t1.equals(t2));
        System.out.println(t1.equals(t3));

    }
}
